Australia approved an "historic" plan Thursday to save an ailing river system vital to the nation's food bowl by returning the equivalent of five Sydney Harbour's worth of water to the network each year.
The World Bank warned Sunday that global temperatures could rise by four degrees this century without immediate action, with potentially devastating consequences for coastal cities and the poor.
Fifteen solar panel vehicles, some that look like small space ships, raced across Chile's Atacama desert Friday as part of a contest to build low-cost environmentally-friendly cars.
Australia Friday created the world's largest network of marine reserves, protecting a huge swathe of ocean environment despite claims it will devastate the fishing industry.
Key greenhouse gas emitter Australia on Friday said it will sign up for a second round of the Kyoto Protocol environmental protection treaty, but New Zealand opted out.
An Argentine judge froze Chevron's local assets Wednesday at the request of a court in Ecuador where the US oil giant has been ordered to pay $19 billion in environmental damages.
US President Barack Obama has hinted he will make another push to fight climate change after cruising to a new term, but his room for maneuver will be limited even with a new focus after megastorm Sandy.
A bizarre spate of young blackbird deaths at a school in England was likely caused by the feathered teens getting drunk on fermented berries, crashing mid-air and falling from the sky, vets said Saturday.
Conservation groups expressed outrage Friday after resistance led by China and Russia stymied efforts to carve out new marine sanctuaries and protect thousands of species across Antarctica.
On a trek across this Atlantic rainforest reserve in southern Brazil, biologist Michel Garey recalled how on his birthday in 2007 he chanced upon what turned out to be a new species of tiny, three-fingered frogs.
Protesters who forced a Chinese city to halt a new chemical plant massed outside government offices Monday in a wary response to their victory, which highlighted the country's growing environmental activism.
The seasonal hole in the ozone layer above the Antarctic this year was the second smallest in two decades, but still covered an area roughly the size of North America, US experts said Wednesday.
Australia said Wednesday it was searching for a new aircraft landing site for planes supplying its three bases in Antarctica because the current runway is melting.
Plucked from a pit of grey clay next to a rubbish dump in southern Poland, fossilised turtle shells resembling the battle-scarred shields of ancient warriors are the world's oldest and most complete.